An equation states that two expressions are equal in value, eg \(3x + 5 = 11\). Solving an equation means finding the value or values for which the two expressions are equal. This means equations are ...

For tips on how to do this, look at Factorising quadratics and Factorisation of further quadratics in this guide. For (\({x}\) + 2)(\({x}\) + 7) to equal 0 either the first or second bracket must be ...